<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
        /**
         * Authenticates a user.
         * The example implementation makes sure if the username and password
         * are both 'demo'.
         * In practical applications, this should be changed to authenticate
         * against some persistent user identity storage (e.g. database).
         * @return boolean whether authentication succeeds.
         */
        
        private $_id;
         
        public function authenticate()
        {
                /*
                $users=array(
                        // username => password
                        'demo'=>'demo',
                        'admin'=>'admin',
                );
                if(!isset($users[$this->username]))
                        $this->errorCode=self::ERROR_USERNAME_INVALID;
                else if($users[$this->username]!==$this->password)
                        $this->errorCode=self::ERROR_PASSWORD_INVALID;
                else
                        $this->errorCode=self::ERROR_NONE;
                return !$this->errorCode;
                */
                $user=User::model()->findByAttributes(array('username'=>$this->username));
                if($user===null){
                        $this->errorCode=self::ERROR_USERNAME_INVALID;
                } else {
                        if($user->password!==md5($this->password)) {
                                $this->errorCode=self::ERROR_PASSWORD_INVALID;
                        } else {
                        	if($user->bloqueado==1){
                        		$this->errorCode='bloq';
                        	}else {
                                $this->_id = $user->id;
                                $this->errorCode=self::ERROR_NONE;
                        	}
                        }
                }
                return !$this->errorCode;
        }
}
